John Oldenkamp, 88, of Marshalltown, died Monday, October 22, 2012, at his residence while under the care of his loving family and Iowa River Hospice. A celebration of John's life will be held at 1:30 p.m., Saturday, October 27, 2012, at the First Congregational Church, 312 W. Main St., Marshalltown. Visitation for John will be held from 12:30 p.m., until time of services on Saturday at the church. A private family burial will take place at a later date. Memorial contributions may be directed in John's name to Iowa River Hospice or the First Congregational Church Scholarship Fund. For further information or to send a condolence please visit www.mitchellfh.com or call (641) 844-1234. The Mitchell Family Funeral Home is caring for John and his family.